Effect of atmospheric turbulence on bit-error rate in an on-off-keyed optical wireless system

Christopher C. Davis; Igor I. Smolyaninov

doi:10.1117/12.453236

22 January 2002 Effect of atmospheric turbulence on bit-error rate in an on-off-keyed optical wireless system

Christopher C. Davis, Igor I. Smolyaninov

Proceedings Volume 4489, Free-Space Laser Communication and Laser Imaging; (2002) https://doi.org/10.1117/12.453236
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Atmospheric turbulence produces scintillation at an optical receiver, which leads to fading of the received signal. This fading affects the bit-error-rate (BER) of a digital signal in a way that depends on the depth of the fade, the decision threshold at the receiver, and the average signal-to-noise ratio. The degree of fading can be dramatically reduced by the use of a time-delayed diversity technique, which involves retransmission of the data stream after a short delay, and resynchronization of the received data streams.

Citation Download Citation

Christopher C. Davis and Igor I. Smolyaninov "Effect of atmospheric turbulence on bit-error rate in an on-off-keyed optical wireless system", Proc. SPIE 4489, Free-Space Laser Communication and Laser Imaging, (22 January 2002); https://doi.org/10.1117/12.453236

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